Conversion formula

The conversion factor from miles per hour to knots is 0.8689762419014, which means that 1 mile per hour is equal to 0.8689762419014 knots:

1 mph = 0.8689762419014 kt

To convert 8220 miles per hour into knots we have to multiply 8220 by the conversion factor in order to get the velocity amount from miles per hour to knots. We can also form a simple proportion to calculate the result:

1 mph → 0.8689762419014 kt

8220 mph → V_(kt)

Solve the above proportion to obtain the velocity V in knots:

V_(kt) = 8220 mph × 0.8689762419014 kt

V_(kt) = 7142.9847084295 kt

The final result is:

8220 mph → 7142.9847084295 kt

We conclude that 8220 miles per hour is equivalent to 7142.9847084295 knots:

8220 miles per hour = 7142.9847084295 knots

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 knot is equal to 0.00013999749975943 × 8220 miles per hour.

Another way is saying that 8220 miles per hour is equal to 1 ÷ 0.00013999749975943 knots.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that eight thousand two hundred twenty miles per hour is approximately seven thousand one hundred forty-two point nine eight five knots:

8220 mph ≅ 7142.985 kt

An alternative is also that one knot is approximately zero times eight thousand two hundred twenty miles per hour.

Conversion table

miles per hour to knots chart

For quick reference purposes, below is the conversion table you can use to convert from miles per hour to knots